The ratio of Reggie's money to Ivan's money is 1 : 7. If Ivan has $119, how much must he give to Reggie so both will have the equal amount of money?
| |
Reggie |
Ivan |
Total |
| Before |
1 u |
7 u |
8 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
4 u |
4 u |
8 u |
Comparing Reggie and
Ivan in the end |
1 |
1 |
|
Amount that Ivan has at first = 7 u
7 u = 119
1 u = 119 ÷ 7 = 17
Total amount that Ivan and Reggie have
= 1 u + 7 u
= 8 u
Amount that each of them will have in the end
= 8 u ÷ 2
= 4 u
Amount that Ivan must give to Reggie
= 4 u - 1 u
= 3 u
= 3 x 17
= $51
Answer(s): $51
